Highway signal



FIG. 1 is a perspective view as seen from the oblique front of a highway signal showing my new design.

FIG. 2 is a perspective view as seen from the oblique rear on the same scale as shown in FIG. 1.

FIG. 3 is an enlarged fragmentary rear view of the horizontal arm, the remainder of the arm and vertical post being omitted for convenience of illustration. 

The ornamental design for a highway signal, as shown and described. 